| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | First Interstate Bank | Bank | 2 | $34.3M | 51.26% |
| 2 | First National Bank | Bank | 1 | $32.6M | 48.74% |
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $66.9M | 2 | 3 | First Interstate Bank | 51.3% | 5,003 |
| 2025 | $63.2M | 2 | 3 | First Interstate Bank | 52.1% | 5,009 |
| 2024 | $62.6M | 2 | 3 | First Interstate Bank | 52.4% | 5,012 |
| 2023 | $64.8M | 2 | 3 | First Interstate Bank | 55.3% | 5,057 |
| 2022 | $67.5M | 2 | 3 | First Interstate Bank | 57.1% | 5,101 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.